[u/mdw/putty] / cmdline.c

/*
 * cmdline.c - command-line parsing shared between many of the
 * PuTTY applications
 */

#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include "putty.h"

/*
 * Some command-line parameters need to be saved up until after
 * we've loaded the saved session which will form the basis of our
 * eventual running configuration. For this we use the macro
 * SAVEABLE, which notices if the `need_save' parameter is set and
 * saves the parameter and value on a list.
 * 
 * We also assign priorities to saved parameters, just to slightly
 * ameliorate silly ordering problems. For example, if you specify
 * a saved session to load, it will be loaded _before_ all your
 * local modifications such as -L are evaluated; and if you specify
 * a protocol and a port, the protocol is set up first so that the
 * port can override its choice of port number.
 * 
 * (In fact -load is not saved at all, since in at least Plink the
 * processing of further command-line options depends on whether or
 * not the loaded session contained a hostname. So it must be
 * executed immediately.)
 */

#define NPRIORITIES 2

struct cmdline_saved_param {
    char *p, *value;
};
struct cmdline_saved_param_set {
    struct cmdline_saved_param *params;
    int nsaved, savesize;
};

/*
 * C guarantees this structure will be initialised to all zero at
 * program start, which is exactly what we want.
 */
static struct cmdline_saved_param_set saves[NPRIORITIES];

static void cmdline_save_param(char *p, char *value, int pri)
{
    if (saves[pri].nsaved >= saves[pri].savesize) {
	saves[pri].savesize = saves[pri].nsaved + 32;
	saves[pri].params = sresize(saves[pri].params, saves[pri].savesize,
				    struct cmdline_saved_param);
    }
    saves[pri].params[saves[pri].nsaved].p = p;
    saves[pri].params[saves[pri].nsaved].value = value;
    saves[pri].nsaved++;
}

void cmdline_cleanup(void)
{
    int pri;

    for (pri = 0; pri < NPRIORITIES; pri++)
	sfree(saves[pri].params);
}

#define SAVEABLE(pri) do { \
    if (need_save) { cmdline_save_param(p, value, pri); return ret; } \
} while (0)

static char *cmdline_password = NULL;

/*
 * Similar interface to get_userpass_input(), except that here a -1
 * return means that we aren't capable of processing the prompt and
 * someone else should do it.
 */
int cmdline_get_passwd_input(prompts_t *p, unsigned char *in, int inlen) {

    static int tried_once = 0;

    /*
     * We only handle prompts which don't echo (which we assume to be
     * passwords), and (currently) we only cope with a password prompt
     * that comes in a prompt-set on its own.
     */
    if (!cmdline_password || in || p->n_prompts != 1 || p->prompts[0]->echo) {
	return -1;
    }

    /*
     * If we've tried once, return utter failure (no more passwords left
     * to try).
     */
    if (tried_once)
	return 0;

    strncpy(p->prompts[0]->result, cmdline_password,
	    p->prompts[0]->result_len);
    p->prompts[0]->result[p->prompts[0]->result_len-1] = '\0';
    memset(cmdline_password, 0, strlen(cmdline_password));
    tried_once = 1;
    return 1;

}

/*
 * Here we have a flags word which describes the capabilities of
 * the particular tool on whose behalf we're running. We will
 * refuse certain command-line options if a particular tool
 * inherently can't do anything sensible. For example, the file
 * transfer tools (psftp, pscp) can't do a great deal with protocol
 * selections (ever tried running scp over telnet?) or with port
 * forwarding (even if it wasn't a hideously bad idea, they don't
 * have the select() infrastructure to make them work).
 */
int cmdline_tooltype = 0;

static int cmdline_check_unavailable(int flag, char *p)
{
    if (cmdline_tooltype & flag) {
	cmdline_error("option \"%s\" not available in this tool", p);
	return 1;
    }
    return 0;
}

#define UNAVAILABLE_IN(flag) do { \
    if (cmdline_check_unavailable(flag, p)) return ret; \
} while (0)

/*
 * Process a standard command-line parameter. `p' is the parameter
 * in question; `value' is the subsequent element of argv, which
 * may or may not be required as an operand to the parameter.
 * If `need_save' is 1, arguments which need to be saved as
 * described at this top of this file are, for later execution;
 * if 0, they are processed normally. (-1 is a special value used
 * by pterm to count arguments for a preliminary pass through the
 * argument list; it causes immediate return with an appropriate
 * value with no action taken.)
 * Return value is 2 if both arguments were used; 1 if only p was
 * used; 0 if the parameter wasn't one we recognised; -2 if it
 * should have been 2 but value was NULL.
 */

#define RETURN(x) do { \
    if ((x) == 2 && !value) return -2; \
    ret = x; \
    if (need_save < 0) return x; \
} while (0)

int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
{
    int ret = 0;

    if (!strcmp(p, "-load")) {
	RETURN(2);
	/* This parameter must be processed immediately rather than being
	 * saved. */
	do_defaults(value, cfg);
	loaded_session = TRUE;
	return 2;
    }
    if (!strcmp(p, "-ssh")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	default_protocol = cfg->protocol = PROT_SSH;
	default_port = cfg->port = 22;
	return 1;
    }
    if (!strcmp(p, "-telnet")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	default_protocol = cfg->protocol = PROT_TELNET;
	default_port = cfg->port = 23;
	return 1;
    }
    if (!strcmp(p, "-rlogin")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	default_protocol = cfg->protocol = PROT_RLOGIN;
	default_port = cfg->port = 513;
	return 1;
    }
    if (!strcmp(p, "-raw")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	default_protocol = cfg->protocol = PROT_RAW;
    }
    if (!strcmp(p, "-v")) {
	RETURN(1);
	flags |= FLAG_VERBOSE;
    }
    if (!strcmp(p, "-l")) {
	RETURN(2);
	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	strncpy(cfg->username, value, sizeof(cfg->username));
	cfg->username[sizeof(cfg->username) - 1] = '\0';
    }
    if ((!strcmp(p, "-L") || !strcmp(p, "-R") || !strcmp(p, "-D"))) {
	char *fwd, *ptr, *q, *qq;
	int dynamic, i=0;
	RETURN(2);
	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	dynamic = !strcmp(p, "-D");
	fwd = value;
	ptr = cfg->portfwd;
	/* if existing forwards, find end of list */
	while (*ptr) {
	    while (*ptr)
		ptr++;
	    ptr++;
	}
	i = ptr - cfg->portfwd;
	ptr[0] = p[1];  /* insert a 'L', 'R' or 'D' at the start */
	ptr++;
	if (1 + strlen(fwd) + 2 > sizeof(cfg->portfwd) - i) {
	    cmdline_error("out of space for port forwardings");
	    return ret;
	}
	strncpy(ptr, fwd, sizeof(cfg->portfwd) - i - 2);
	if (!dynamic) {
	    /*
	     * We expect _at least_ two colons in this string. The
	     * possible formats are `sourceport:desthost:destport',
	     * or `sourceip:sourceport:desthost:destport' if you're
	     * specifying a particular loopback address. We need to
	     * replace the one between source and dest with a \t;
	     * this means we must find the second-to-last colon in
	     * the string.
	     */
	    q = qq = strchr(ptr, ':');
	    while (qq) {
		char *qqq = strchr(qq+1, ':');
		if (qqq)
		    q = qq;
		qq = qqq;
	    }
	    if (q) *q = '\t';	       /* replace second-last colon with \t */
	}
	cfg->portfwd[sizeof(cfg->portfwd) - 1] = '\0';
	cfg->portfwd[sizeof(cfg->portfwd) - 2] = '\0';
	ptr[strlen(ptr)+1] = '\000';    /* append 2nd '\000' */
    }
    if ((!strcmp(p, "-nc"))) {
	char *host, *portp;

	RETURN(2);
	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
	SAVEABLE(0);

	host = portp = value;
	while (*portp && *portp != ':')
	    portp++;
	if (*portp) {
	    unsigned len = portp - host;
	    if (len >= sizeof(cfg->ssh_nc_host))
		len = sizeof(cfg->ssh_nc_host) - 1;
	    strncpy(cfg->ssh_nc_host, value, len);
	    cfg->ssh_nc_host[sizeof(cfg->ssh_nc_host) - 1] = '\0';
	    cfg->ssh_nc_port = atoi(portp+1);
	} else {
	    cmdline_error("-nc expects argument of form 'host:port'");
	    return ret;
	}
    }
    if (!strcmp(p, "-m")) {
	char *filename, *command;
	int cmdlen, cmdsize;
	FILE *fp;
	int c, d;

	RETURN(2);
	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
	SAVEABLE(0);

	filename = value;

	cmdlen = cmdsize = 0;
	command = NULL;
	fp = fopen(filename, "r");
	if (!fp) {
	    cmdline_error("unable to open command "
			  "file \"%s\"", filename);
	    return ret;
	}
	do {
	    c = fgetc(fp);
	    d = c;
	    if (c == EOF)
		d = 0;
	    if (cmdlen >= cmdsize) {
		cmdsize = cmdlen + 512;
		command = sresize(command, cmdsize, char);
	    }
	    command[cmdlen++] = d;
	} while (c != EOF);
	cfg->remote_cmd_ptr = command;
	cfg->remote_cmd_ptr2 = NULL;
	cfg->nopty = TRUE;      /* command => no terminal */
    }
    if (!strcmp(p, "-P")) {
	RETURN(2);
	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
	SAVEABLE(1);		       /* lower priority than -ssh,-telnet */
	cfg->port = atoi(value);
    }
    if (!strcmp(p, "-pw")) {
	RETURN(2);
	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
	cmdline_password = value;
    }

    if (!strcmp(p, "-agent") || !strcmp(p, "-pagent") ||
	!strcmp(p, "-pageant")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	cfg->tryagent = TRUE;
    }
    if (!strcmp(p, "-noagent") || !strcmp(p, "-nopagent") ||
	!strcmp(p, "-nopageant")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	cfg->tryagent = FALSE;
    }

    if (!strcmp(p, "-A")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	cfg->agentfwd = 1;
    }
    if (!strcmp(p, "-a")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	cfg->agentfwd = 0;
    }

    if (!strcmp(p, "-X")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	cfg->x11_forward = 1;
    }
    if (!strcmp(p, "-x")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	cfg->x11_forward = 0;
    }

    if (!strcmp(p, "-t")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	cfg->nopty = 0;
    }
    if (!strcmp(p, "-T")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	cfg->nopty = 1;
    }

    if (!strcmp(p, "-N")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	cfg->ssh_no_shell = 1;
    }

    if (!strcmp(p, "-C")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	cfg->compression = 1;
    }

    if (!strcmp(p, "-1")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	cfg->sshprot = 0;	       /* ssh protocol 1 only */
    }
    if (!strcmp(p, "-2")) {
	RETURN(1);
	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	cfg->sshprot = 3;	       /* ssh protocol 2 only */
    }

    if (!strcmp(p, "-i")) {
	RETURN(2);
	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
	SAVEABLE(0);
	cfg->keyfile = filename_from_str(value);
    }

    if (!strcmp(p, "-4") || !strcmp(p, "-ipv4")) {
	RETURN(1);
	SAVEABLE(1);
	cfg->addressfamily = ADDRTYPE_IPV4;
    }
    if (!strcmp(p, "-6") || !strcmp(p, "-ipv6")) {
	RETURN(1);
	SAVEABLE(1);
	cfg->addressfamily = ADDRTYPE_IPV6;
    }

    return ret;			       /* unrecognised */
}

void cmdline_run_saved(Config *cfg)
{
    int pri, i;
    for (pri = 0; pri < NPRIORITIES; pri++)
	for (i = 0; i < saves[pri].nsaved; i++)
	    cmdline_process_param(saves[pri].params[i].p,
				  saves[pri].params[i].value, 0, cfg);
}
Commit	Line	Data
eaf1e20a	1	/*
	2	* cmdline.c - command-line parsing shared between many of the
	3	* PuTTY applications
	4	*/
	5
dfe3332b	6	#include <stdio.h>
	7	#include <assert.h>
	8	#include <stdlib.h>
	9	#include "putty.h"
	10
	11	/*
	12	* Some command-line parameters need to be saved up until after
	13	* we've loaded the saved session which will form the basis of our
	14	* eventual running configuration. For this we use the macro
	15	* SAVEABLE, which notices if the `need_save' parameter is set and
	16	* saves the parameter and value on a list.
	17	*
	18	* We also assign priorities to saved parameters, just to slightly
	19	* ameliorate silly ordering problems. For example, if you specify
	20	* a saved session to load, it will be loaded _before_ all your
	21	* local modifications such as -L are evaluated; and if you specify
	22	* a protocol and a port, the protocol is set up first so that the
	23	* port can override its choice of port number.
c725e24c	24	*
	25	* (In fact -load is not saved at all, since in at least Plink the
	26	* processing of further command-line options depends on whether or
	27	* not the loaded session contained a hostname. So it must be
	28	* executed immediately.)
dfe3332b	29	*/
dfe3332b	30
c725e24c	31	#define NPRIORITIES 2
dfe3332b	32
	33	struct cmdline_saved_param {
	34	char p, value;
	35	};
	36	struct cmdline_saved_param_set {
	37	struct cmdline_saved_param *params;
	38	int nsaved, savesize;
	39	};
	40
	41	/*
	42	* C guarantees this structure will be initialised to all zero at
	43	* program start, which is exactly what we want.
	44	*/
	45	static struct cmdline_saved_param_set saves[NPRIORITIES];
	46
	47	static void cmdline_save_param(char p, char value, int pri)
	48	{
	49	if (saves[pri].nsaved >= saves[pri].savesize) {
	50	saves[pri].savesize = saves[pri].nsaved + 32;
3d88e64d	51	saves[pri].params = sresize(saves[pri].params, saves[pri].savesize,
3d88e64d	52	struct cmdline_saved_param);
dfe3332b	53	}
	54	saves[pri].params[saves[pri].nsaved].p = p;
	55	saves[pri].params[saves[pri].nsaved].value = value;
	56	saves[pri].nsaved++;
	57	}
	58
679539d7	59	void cmdline_cleanup(void)
	60	{
	61	int pri;
	62
	63	for (pri = 0; pri < NPRIORITIES; pri++)
	64	sfree(saves[pri].params);
	65	}
	66
dfe3332b	67	#define SAVEABLE(pri) do { \
	68	if (need_save) { cmdline_save_param(p, value, pri); return ret; } \
	69	} while (0)
	70
edd0cb8a	71	static char *cmdline_password = NULL;
	72
	73	/*
	74	* Similar interface to get_userpass_input(), except that here a -1
	75	* return means that we aren't capable of processing the prompt and
	76	* someone else should do it.
	77	*/
	78	int cmdline_get_passwd_input(prompts_t p, unsigned char in, int inlen) {
dfe3332b	79
dfe3332b	80	static int tried_once = 0;
dfe3332b	81
edd0cb8a	82	/*
	83	* We only handle prompts which don't echo (which we assume to be
	84	* passwords), and (currently) we only cope with a password prompt
	85	* that comes in a prompt-set on its own.
	86	*/
	87	if (!cmdline_password \|\| in \|\| p->n_prompts != 1 \|\| p->prompts[0]->echo) {
	88	return -1;
	89	}
dfe3332b	90
edd0cb8a	91	/*
	92	* If we've tried once, return utter failure (no more passwords left
	93	* to try).
	94	*/
	95	if (tried_once)
dfe3332b	96	return 0;
edd0cb8a	97
	98	strncpy(p->prompts[0]->result, cmdline_password,
	99	p->prompts[0]->result_len);
	100	p->prompts[0]->result[p->prompts[0]->result_len-1] = '\0';
	101	memset(cmdline_password, 0, strlen(cmdline_password));
	102	tried_once = 1;
	103	return 1;
	104
dfe3332b	105	}
	106
	107	/*
	108	* Here we have a flags word which describes the capabilities of
	109	* the particular tool on whose behalf we're running. We will
	110	* refuse certain command-line options if a particular tool
	111	* inherently can't do anything sensible. For example, the file
	112	* transfer tools (psftp, pscp) can't do a great deal with protocol
	113	* selections (ever tried running scp over telnet?) or with port
	114	* forwarding (even if it wasn't a hideously bad idea, they don't
	115	* have the select() infrastructure to make them work).
	116	*/
	117	int cmdline_tooltype = 0;
	118
	119	static int cmdline_check_unavailable(int flag, char *p)
	120	{
	121	if (cmdline_tooltype & flag) {
	122	cmdline_error("option \"%s\" not available in this tool", p);
	123	return 1;
	124	}
	125	return 0;
	126	}
	127
	128	#define UNAVAILABLE_IN(flag) do { \
	129	if (cmdline_check_unavailable(flag, p)) return ret; \
	130	} while (0)
	131
	132	/*
	133	* Process a standard command-line parameter. `p' is the parameter
	134	* in question; `value' is the subsequent element of argv, which
	135	* may or may not be required as an operand to the parameter.
b552f500	136	* If `need_save' is 1, arguments which need to be saved as
	137	* described at this top of this file are, for later execution;
	138	* if 0, they are processed normally. (-1 is a special value used
	139	* by pterm to count arguments for a preliminary pass through the
	140	* argument list; it causes immediate return with an appropriate
	141	* value with no action taken.)
dfe3332b	142	* Return value is 2 if both arguments were used; 1 if only p was
	143	* used; 0 if the parameter wasn't one we recognised; -2 if it
	144	* should have been 2 but value was NULL.
	145	*/
	146
	147	#define RETURN(x) do { \
	148	if ((x) == 2 && !value) return -2; \
	149	ret = x; \
46a3419b	150	if (need_save < 0) return x; \
dfe3332b	151	} while (0)
dfe3332b	152
5555d393	153	int cmdline_process_param(char p, char value, int need_save, Config *cfg)
dfe3332b	154	{
	155	int ret = 0;
	156
	157	if (!strcmp(p, "-load")) {
	158	RETURN(2);
c725e24c	159	/* This parameter must be processed immediately rather than being
c725e24c	160	* saved. */
5555d393	161	do_defaults(value, cfg);
18e62ad8	162	loaded_session = TRUE;
dfe3332b	163	return 2;
	164	}
	165	if (!strcmp(p, "-ssh")) {
	166	RETURN(1);
46a3419b	167	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER \| TOOLTYPE_NONNETWORK);
c725e24c	168	SAVEABLE(0);
5555d393	169	default_protocol = cfg->protocol = PROT_SSH;
5555d393	170	default_port = cfg->port = 22;
dfe3332b	171	return 1;
	172	}
	173	if (!strcmp(p, "-telnet")) {
	174	RETURN(1);
46a3419b	175	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER \| TOOLTYPE_NONNETWORK);
c725e24c	176	SAVEABLE(0);
5555d393	177	default_protocol = cfg->protocol = PROT_TELNET;
5555d393	178	default_port = cfg->port = 23;
dfe3332b	179	return 1;
	180	}
	181	if (!strcmp(p, "-rlogin")) {
	182	RETURN(1);
46a3419b	183	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER \| TOOLTYPE_NONNETWORK);
c725e24c	184	SAVEABLE(0);
5555d393	185	default_protocol = cfg->protocol = PROT_RLOGIN;
5555d393	186	default_port = cfg->port = 513;
dfe3332b	187	return 1;
	188	}
	189	if (!strcmp(p, "-raw")) {
	190	RETURN(1);
46a3419b	191	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER \| TOOLTYPE_NONNETWORK);
c725e24c	192	SAVEABLE(0);
5555d393	193	default_protocol = cfg->protocol = PROT_RAW;
dfe3332b	194	}
	195	if (!strcmp(p, "-v")) {
	196	RETURN(1);
	197	flags \|= FLAG_VERBOSE;
	198	}
	199	if (!strcmp(p, "-l")) {
	200	RETURN(2);
46a3419b	201	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
c725e24c	202	SAVEABLE(0);
5555d393	203	strncpy(cfg->username, value, sizeof(cfg->username));
5555d393	204	cfg->username[sizeof(cfg->username) - 1] = '\0';
dfe3332b	205	}
820ebe3b	206	if ((!strcmp(p, "-L") \|\| !strcmp(p, "-R") \|\| !strcmp(p, "-D"))) {
6ee9b735	207	char fwd, ptr, q, qq;
820ebe3b	208	int dynamic, i=0;
dfe3332b	209	RETURN(2);
46a3419b	210	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER \| TOOLTYPE_NONNETWORK);
c725e24c	211	SAVEABLE(0);
820ebe3b	212	dynamic = !strcmp(p, "-D");
dfe3332b	213	fwd = value;
5555d393	214	ptr = cfg->portfwd;
116f2044	215	/* if existing forwards, find end of list */
	216	while (*ptr) {
	217	while (*ptr)
	218	ptr++;
	219	ptr++;
dfe3332b	220	}
116f2044	221	i = ptr - cfg->portfwd;
820ebe3b	222	ptr[0] = p[1]; /* insert a 'L', 'R' or 'D' at the start */
116f2044	223	ptr++;
116f2044	224	if (1 + strlen(fwd) + 2 > sizeof(cfg->portfwd) - i) {
dfe3332b	225	cmdline_error("out of space for port forwardings");
	226	return ret;
	227	}
116f2044	228	strncpy(ptr, fwd, sizeof(cfg->portfwd) - i - 2);
820ebe3b	229	if (!dynamic) {
	230	/*
	231	* We expect _at least_ two colons in this string. The
	232	* possible formats are `sourceport:desthost:destport',
	233	* or `sourceip:sourceport:desthost:destport' if you're
	234	* specifying a particular loopback address. We need to
	235	* replace the one between source and dest with a \t;
	236	* this means we must find the second-to-last colon in
	237	* the string.
	238	*/
	239	q = qq = strchr(ptr, ':');
	240	while (qq) {
	241	char *qqq = strchr(qq+1, ':');
	242	if (qqq)
	243	q = qq;
	244	qq = qqq;
	245	}
	246	if (q) q = '\t'; / replace second-last colon with \t */
6ee9b735	247	}
5555d393	248	cfg->portfwd[sizeof(cfg->portfwd) - 1] = '\0';
5555d393	249	cfg->portfwd[sizeof(cfg->portfwd) - 2] = '\0';
116f2044	250	ptr[strlen(ptr)+1] = '\000'; /* append 2nd '\000' */
dfe3332b	251	}
feb02b4e	252	if ((!strcmp(p, "-nc"))) {
	253	char host, portp;
	254
	255	RETURN(2);
	256	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER \| TOOLTYPE_NONNETWORK);
	257	SAVEABLE(0);
	258
	259	host = portp = value;
	260	while (portp && portp != ':')
	261	portp++;
	262	if (*portp) {
	263	unsigned len = portp - host;
	264	if (len >= sizeof(cfg->ssh_nc_host))
	265	len = sizeof(cfg->ssh_nc_host) - 1;
	266	strncpy(cfg->ssh_nc_host, value, len);
	267	cfg->ssh_nc_host[sizeof(cfg->ssh_nc_host) - 1] = '\0';
	268	cfg->ssh_nc_port = atoi(portp+1);
	269	} else {
	270	cmdline_error("-nc expects argument of form 'host:port'");
	271	return ret;
	272	}
	273	}
dfe3332b	274	if (!strcmp(p, "-m")) {
	275	char filename, command;
	276	int cmdlen, cmdsize;
	277	FILE *fp;
	278	int c, d;
	279
	280	RETURN(2);
46a3419b	281	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER \| TOOLTYPE_NONNETWORK);
c725e24c	282	SAVEABLE(0);
dfe3332b	283
	284	filename = value;
	285
	286	cmdlen = cmdsize = 0;
	287	command = NULL;
	288	fp = fopen(filename, "r");
	289	if (!fp) {
	290	cmdline_error("unable to open command "
	291	"file \"%s\"", filename);
	292	return ret;
	293	}
	294	do {
	295	c = fgetc(fp);
	296	d = c;
	297	if (c == EOF)
	298	d = 0;
	299	if (cmdlen >= cmdsize) {
	300	cmdsize = cmdlen + 512;
3d88e64d	301	command = sresize(command, cmdsize, char);
dfe3332b	302	}
	303	command[cmdlen++] = d;
	304	} while (c != EOF);
5555d393	305	cfg->remote_cmd_ptr = command;
	306	cfg->remote_cmd_ptr2 = NULL;
	307	cfg->nopty = TRUE; /* command => no terminal */
dfe3332b	308	}
	309	if (!strcmp(p, "-P")) {
	310	RETURN(2);
46a3419b	311	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
c725e24c	312	SAVEABLE(1); /* lower priority than -ssh,-telnet */
5555d393	313	cfg->port = atoi(value);
dfe3332b	314	}
	315	if (!strcmp(p, "-pw")) {
	316	RETURN(2);
46a3419b	317	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
dfe3332b	318	cmdline_password = value;
dfe3332b	319	}
dfe3332b	320
973612f5	321	if (!strcmp(p, "-agent") \|\| !strcmp(p, "-pagent") \|\|
	322	!strcmp(p, "-pageant")) {
	323	RETURN(1);
	324	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
a3a48ced	325	SAVEABLE(0);
973612f5	326	cfg->tryagent = TRUE;
	327	}
	328	if (!strcmp(p, "-noagent") \|\| !strcmp(p, "-nopagent") \|\|
	329	!strcmp(p, "-nopageant")) {
	330	RETURN(1);
	331	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
a3a48ced	332	SAVEABLE(0);
973612f5	333	cfg->tryagent = FALSE;
	334	}
	335
dfe3332b	336	if (!strcmp(p, "-A")) {
dfe3332b	337	RETURN(1);
46a3419b	338	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER \| TOOLTYPE_NONNETWORK);
c725e24c	339	SAVEABLE(0);
5555d393	340	cfg->agentfwd = 1;
dfe3332b	341	}
	342	if (!strcmp(p, "-a")) {
	343	RETURN(1);
46a3419b	344	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER \| TOOLTYPE_NONNETWORK);
c725e24c	345	SAVEABLE(0);
5555d393	346	cfg->agentfwd = 0;
dfe3332b	347	}
	348
	349	if (!strcmp(p, "-X")) {
	350	RETURN(1);
46a3419b	351	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER \| TOOLTYPE_NONNETWORK);
c725e24c	352	SAVEABLE(0);
5555d393	353	cfg->x11_forward = 1;
dfe3332b	354	}
	355	if (!strcmp(p, "-x")) {
	356	RETURN(1);
46a3419b	357	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER \| TOOLTYPE_NONNETWORK);
c725e24c	358	SAVEABLE(0);
5555d393	359	cfg->x11_forward = 0;
dfe3332b	360	}
	361
	362	if (!strcmp(p, "-t")) {
	363	RETURN(1);
46a3419b	364	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER \| TOOLTYPE_NONNETWORK);
c725e24c	365	SAVEABLE(0);
5555d393	366	cfg->nopty = 0;
dfe3332b	367	}
	368	if (!strcmp(p, "-T")) {
	369	RETURN(1);
46a3419b	370	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER \| TOOLTYPE_NONNETWORK);
c725e24c	371	SAVEABLE(0);
5555d393	372	cfg->nopty = 1;
dfe3332b	373	}
dfe3332b	374
0ed48730	375	if (!strcmp(p, "-N")) {
	376	RETURN(1);
	377	UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER \| TOOLTYPE_NONNETWORK);
	378	SAVEABLE(0);
	379	cfg->ssh_no_shell = 1;
	380	}
	381
dfe3332b	382	if (!strcmp(p, "-C")) {
dfe3332b	383	RETURN(1);
46a3419b	384	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
c725e24c	385	SAVEABLE(0);
5555d393	386	cfg->compression = 1;
dfe3332b	387	}
	388
	389	if (!strcmp(p, "-1")) {
	390	RETURN(1);
46a3419b	391	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
c725e24c	392	SAVEABLE(0);
5555d393	393	cfg->sshprot = 0; /* ssh protocol 1 only */
dfe3332b	394	}
	395	if (!strcmp(p, "-2")) {
	396	RETURN(1);
46a3419b	397	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
c725e24c	398	SAVEABLE(0);
5555d393	399	cfg->sshprot = 3; /* ssh protocol 2 only */
dfe3332b	400	}
	401
	402	if (!strcmp(p, "-i")) {
	403	RETURN(2);
46a3419b	404	UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
c725e24c	405	SAVEABLE(0);
9a30e26b	406	cfg->keyfile = filename_from_str(value);
dfe3332b	407	}
dfe3332b	408
05581745	409	if (!strcmp(p, "-4") \|\| !strcmp(p, "-ipv4")) {
	410	RETURN(1);
	411	SAVEABLE(1);
	412	cfg->addressfamily = ADDRTYPE_IPV4;
	413	}
	414	if (!strcmp(p, "-6") \|\| !strcmp(p, "-ipv6")) {
	415	RETURN(1);
	416	SAVEABLE(1);
	417	cfg->addressfamily = ADDRTYPE_IPV6;
	418	}
	419
dfe3332b	420	return ret; /* unrecognised */
	421	}
	422
5555d393	423	void cmdline_run_saved(Config *cfg)
dfe3332b	424	{
	425	int pri, i;
	426	for (pri = 0; pri < NPRIORITIES; pri++)
	427	for (i = 0; i < saves[pri].nsaved; i++)
	428	cmdline_process_param(saves[pri].params[i].p,
5555d393	429	saves[pri].params[i].value, 0, cfg);
dfe3332b	430	}